Home / 133,197.43-183,816.06-79,513.60

Finding the Fourth Proportional to 133,197.43, 183,816.06 and 79,513.60

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Solution

The fourth proportional to 133,197.43, 183,816.06 and 79,513.60 is: 109,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,197.43 : 183,816.06 = 79,513.60 : x
  2. Step 2: Convert to fraction form
    133,197.43/183,816.06 = 79,513.60/x
  3. Step 3: Cross multiply
    133,197.43x = 183,816.06 × 79,513.60
  4. Step 4: Simplify right side
    133,197.43x = 14,615,876,668.42
  5. Step 5: Solve for x
    x = 14,615,876,668.42/133,197.43
  6. Step 6: Final answer
    x = 109,730.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.